Because the password is hashed using the RSA Data Security, Inc. MD5 Message-Digest Algorithm, you should use configuration commands to change this file, and not edit it directly.
ADDWWWUSR USER(Name) PASSWORD(Password)
CHGWWWUSR USER(Name) PASSWORD(Password)
DLTWWWUSR USER(Name)
: Hashed-PasswordMultiple entries may exist in the user authenticaton user configuration file.